Wastewater and vent gas treatment

Recovering value for sustainable processes

We support your corporate social responsibility and commitment towards a cleaner environment. Our process solutions ensure that stringent regulations on wastewater and vent gas are satisfied. Valuable organic compounds are recovered and purified, bringing you significant economic benefits.

Truck on the road with a part of a liquid-liquid extraction column
Main benefits
  • Process solution for a cleaner environment
  • Recovery and purification of several organic compounds


Main applications
  • For wastewater
  • For vent gas
Process solutions
Skid-mounted PEG absorption plant for pharmaceutical use
Skid-mounted PEG absorption plant for a pharmaceutical company (UK)

Process solutions

Our process solutions for wastewater and vent gas employ regeneration techniques for the recovery of valuable components, including:    

  • Steam Stripping
  • Liquid-liquid extraction
  • Absorption with water
  • Absorption with high-boiling oil followed by steam stripping
Steam stripping

Steam stripping

  • Methanol, ethanol, butanol, IPA 
  • MTBE, isopropyl ether 
  • Ethyl acetate, butyl acetate 
  • MEK, MIBK 
  • DCM 
  • Dioxane, toluene
Liquid-liquid extraction

Liquid-liquid extraction

  • Acetic acid 
  • Phenol 
  • Agrochemicals and pesticides

Absorption, with water

  • Methanol, ethanol, IPA 
  • Acetone 
  • Ammonia

Absorption, with high-boiling oil followed by steam stripping

  • Complex mixtures of, for example, hydrocarbons, alcohols, chlorinated hydrocarbons, ketones, ethers, and esters

Contact the Process plants team